15019263

素因数分解:

$3^4\times 7^1\times {\mathrm{26489}}^1$

素因数の和:26508

約数の個数: 20

約数和(自身を含む): 25642320

約数和(自身を除く): 10623057

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 26489, 79467, 185423, 238401, 556269, 715203, 1668807, 2145609, 5006421, 15019263]

約数ペア:

[(1, 15019263), (3, 5006421), (7, 2145609), (9, 1668807), (21, 715203), (27, 556269), (63, 238401), (81, 185423), (189, 79467), (567, 26489)]